EP1310943A3 - Procédé et dispositif de codage et de décodage de signaux de parole - Google Patents

Procédé et dispositif de codage et de décodage de signaux de parole Download PDF

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Publication number
EP1310943A3
EP1310943A3 EP02025094A EP02025094A EP1310943A3 EP 1310943 A3 EP1310943 A3 EP 1310943A3 EP 02025094 A EP02025094 A EP 02025094A EP 02025094 A EP02025094 A EP 02025094A EP 1310943 A3 EP1310943 A3 EP 1310943A3
Authority
EP
European Patent Office
Prior art keywords
speech
speech coding
dequantized value
decoding
coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02025094A
Other languages
German (de)
English (en)
Other versions
EP1310943A2 (fr
EP1310943B1 (fr
Inventor
Yutaka Banba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP1310943A2 publication Critical patent/EP1310943A2/fr
Publication of EP1310943A3 publication Critical patent/EP1310943A3/fr
Application granted granted Critical
Publication of EP1310943B1 publication Critical patent/EP1310943B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP02025094A 2001-11-13 2002-11-12 Procédé et dispositif de codage et de décodage de signaux de parole Expired - Lifetime EP1310943B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001347408 2001-11-13
JP2001347408A JP4245288B2 (ja) 2001-11-13 2001-11-13 音声符号化装置および音声復号化装置

Publications (3)

Publication Number Publication Date
EP1310943A2 EP1310943A2 (fr) 2003-05-14
EP1310943A3 true EP1310943A3 (fr) 2004-02-11
EP1310943B1 EP1310943B1 (fr) 2007-01-17

Family

ID=19160417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02025094A Expired - Lifetime EP1310943B1 (fr) 2001-11-13 2002-11-12 Procédé et dispositif de codage et de décodage de signaux de parole

Country Status (5)

Country Link
US (1) US7155384B2 (fr)
EP (1) EP1310943B1 (fr)
JP (1) JP4245288B2 (fr)
CN (1) CN100440758C (fr)
DE (1) DE60217612T2 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2722110C (fr) 1999-08-23 2014-04-08 Panasonic Corporation Vocodeur et procede correspondant
BRPI0608270A2 (pt) 2005-04-01 2009-10-06 Qualcomm Inc sistemas, métodos e equipamento para filtragem anti-dispersão
CN101199003B (zh) * 2005-04-22 2012-01-11 高通股份有限公司 用于增益因数衰减的系统、方法和设备
US20090164211A1 (en) * 2006-05-10 2009-06-25 Panasonic Corporation Speech encoding apparatus and speech encoding method
JP5052514B2 (ja) 2006-07-12 2012-10-17 パナソニック株式会社 音声復号装置
CN101325059B (zh) * 2007-06-15 2011-12-21 华为技术有限公司 语音编解码收发方法及装置
KR101441897B1 (ko) * 2008-01-31 2014-09-23 삼성전자주식회사 잔차 신호 부호화 방법 및 장치와 잔차 신호 복호화 방법및 장치
CA2759914A1 (fr) * 2009-05-29 2010-12-02 Nippon Telegraph And Telephone Corporation Dispositif de codage, dispositif de decodage, procede de codage, procede de decodage et programme afferent
CN101989428B (zh) * 2009-07-31 2012-07-04 华为技术有限公司 比特分配方法、编码方法、解码方法、编码器及解码器
CN102280107B (zh) 2010-06-10 2013-01-23 华为技术有限公司 边带残差信号生成方法及装置
CN106409300B (zh) * 2014-03-19 2019-12-24 华为技术有限公司 用于信号处理的方法和装置
CN110556117B (zh) 2018-05-31 2022-04-22 华为技术有限公司 立体声信号的编码方法和装置
CN111294147B (zh) * 2019-04-25 2023-01-31 北京紫光展锐通信技术有限公司 Dmr系统的编码方法及装置、存储介质、数字对讲机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0433015A2 (fr) * 1989-12-11 1991-06-19 Kabushiki Kaisha Toshiba Système de codage à cadence de bits variable
US5974380A (en) * 1995-12-01 1999-10-26 Digital Theater Systems, Inc. Multi-channel audio decoder
WO2001050458A1 (fr) * 1999-12-31 2001-07-12 Thomson Licensing S.A. Codage et décodage vocal adpcm de sous-bandes

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
JPH02264520A (ja) 1989-04-04 1990-10-29 Nec Corp 帯域分割符号化復号方式並びに帯域分割符号化器及び帯域分割復号器
JP3111459B2 (ja) 1990-06-11 2000-11-20 ソニー株式会社 音声データの高能率符号化方法
DE69132427D1 (de) * 1990-07-05 2000-11-02 Fujitsu Ltd Digitalmultiplex-Übertragungssystem
JPH05181497A (ja) 1991-12-27 1993-07-23 Toshiba Corp ピッチ変換装置
JPH05183523A (ja) 1992-01-06 1993-07-23 Oki Electric Ind Co Ltd 音声・楽音符号化装置
JPH0669811A (ja) 1992-08-21 1994-03-11 Oki Electric Ind Co Ltd 符号化回路及び復号化回路
US5517511A (en) * 1992-11-30 1996-05-14 Digital Voice Systems, Inc. Digital transmission of acoustic signals over a noisy communication channel
JP2888129B2 (ja) 1994-03-15 1999-05-10 松下電器産業株式会社 デジタル信号記録装置
US5493647A (en) 1993-06-01 1996-02-20 Matsushita Electric Industrial Co., Ltd. Digital signal recording apparatus and a digital signal reproducing apparatus
JP3398457B2 (ja) 1994-03-10 2003-04-21 沖電気工業株式会社 量子化スケールファクタ生成方法、逆量子化スケールファクタ生成方法、適応量子化回路、適応逆量子化回路、符号化装置及び復号化装置
IT1281001B1 (it) * 1995-10-27 1998-02-11 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
JP3519859B2 (ja) 1996-03-26 2004-04-19 三菱電機株式会社 符号器及び復号器
JP3263347B2 (ja) * 1997-09-20 2002-03-04 松下電送システム株式会社 音声符号化装置及び音声符号化におけるピッチ予測方法
JPH11224099A (ja) * 1998-02-06 1999-08-17 Sony Corp 位相量子化装置及び方法
JP2001007769A (ja) 1999-04-22 2001-01-12 Matsushita Electric Ind Co Ltd 低遅延サブバンド分割／合成装置
US6226616B1 (en) 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
EP1104101A3 (fr) 1999-11-26 2005-02-02 Matsushita Electric Industrial Co., Ltd. Appareil pour la combinaison/séparation d'un signal numérique en sous-bandes permettant d'obtenir un filtrage à séparation de bandes / combinaison de bandes avec une quantité réduite du temps de propagation de groupe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0433015A2 (fr) * 1989-12-11 1991-06-19 Kabushiki Kaisha Toshiba Système de codage à cadence de bits variable
US5974380A (en) * 1995-12-01 1999-10-26 Digital Theater Systems, Inc. Multi-channel audio decoder
WO2001050458A1 (fr) * 1999-12-31 2001-07-12 Thomson Licensing S.A. Codage et décodage vocal adpcm de sous-bandes

Also Published As

Publication number Publication date
JP4245288B2 (ja) 2009-03-25
DE60217612T2 (de) 2007-05-16
CN100440758C (zh) 2008-12-03
EP1310943A2 (fr) 2003-05-14
US7155384B2 (en) 2006-12-26
CN1419349A (zh) 2003-05-21
JP2003150198A (ja) 2003-05-23
EP1310943B1 (fr) 2007-01-17
DE60217612D1 (de) 2007-03-08
US20030093266A1 (en) 2003-05-15

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